As the pivot between customer service and superior is very important, customer service has a duty to play a is at the heart of this, because this can directly affect the interests or benefits of the company.
And superior customer service as a hub between the very important role played by the customer service is the core, because this can directly affect the interests of the company or income.
As the hub between the customer service and the superior is very important, customer service is the core of the role of the core, because this can directly affect the company's interests or earnings.